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in a race derek is 10 yards ahead of mike, mike is 5 yards ahead of tom, and ed is 20 yards ahead of derek. list the runners in order from 1st to 4th.
a. ed, derek, mike, tom
b. derek, tom, mike, ed
c. tom, ed, derek, mike
d. mike, tom, ed, derek

The answer is letter A, Ed, Derek, Mike, Tom

Explanation:

The question is asking for the order from the 1st to the 4th (first to last). All you have to do is to follow the instruction or draw an illustration (if you can).

If Derek is 10 yards ahead of Mike, this means that Derek's position is ahead of Mike.

If Mike is 5 yards ahead of Tom, then this means that Mike's position is ahead of Tom.

If Ed is 20 yards ahead of Derek, then this means that Ed's position is ahead of Derek.

If Derek is ahead of Mike, Mike being ahead of Tom and Ed being ahead of Derek, then you'll be able to tell the positions now.

This means that the 1st runner is Ed, while the second runner is Derek. The third runner is Mike, while the fourth runner is Tom.

Thus, this explains the answer.

step-by-step explanation:

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc